Combination lock



FIG. 1 is a perspective view of a combination lock showing my newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof, the left sideelevational view being a mirror image thereof;

FIG. 5 is atop plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines indicate disclaimed portion and form no part of theclaimed design.

CLAIM The ornamental design for a combination lock, as shown anddescribed.